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Requests: The Donut of HTTP Requests!

Making network requests is as easy as ordering takeout? The Requests library is your delicious delivery rider! This library allows you to easily handle various network data retrievals, saying goodbye to cumbersome network programming and making HTTP requests super easy. Whether it’s web scraping, API calls, or data interaction, Requests can help you get it done.

Installation and First Experience

Installing the Requests library is as easy as buying snacks:

pip install requests

Let’s look at the simplest GET request:

import requests
response = requests.get('https://api.github.com')
print(response.status_code)  # Print status code
print(response.text)         # Print response content

Just a glance, with just a few lines of code, you can retrieve network data!

Comprehensive Basic Requests

GET Request: Easily Retrieve Data

response = requests.get('https://api.example.com/users')
data = response.json()  # Directly convert to JSON

POST Request: Submitting Data So Easy

payload = {'username': 'XXX', 'password': '123'}
response = requests.post('https://api.example.com/login', data=payload)

Customizing Request Headers

Sometimes websites check request headers to simulate browser access:

headers = {    'User-Agent': 'Mozilla/5.0 (Windows NT 10.0)'}
response = requests.get('https://example.com', headers=headers)

Handling Various Responses

response = requests.get('https://api.example.com')
# Status code check
if response.status_code == 200:
    print('Request successful!')
else:
    print('An error occurred')
# Get response content
print(response.text)      # Text
print(response.content)   # Binary
print(response.json())    # JSON

Exception Handling is Important

try:
    response = requests.get('https://api.example.com', timeout=3)
except requests.exceptions.RequestException as e:
    print('Network issue:', e)

Friendly Reminder :

• It’s best to add timeout settings for network requests
• A status code not equal to 200 does not necessarily mean an error
• Use try-except to gracefully handle exceptions

This thing is really great! HTTP requests are no longer a problem for you. Mastering Requests makes you the king of network data!

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